// 右上角的时间
(function() {
  var t = null;
  t = setTimeout(time, 1000);//开始运行
  function time() {
    clearTimeout(t);//清除定时器
    dt = new Date();
    var y = dt.getFullYear();
    var mt = dt.getMonth() + 1;
    var day = dt.getDate();
    var h = dt.getHours();
    var m = dt.getMinutes();
    var s = dt.getSeconds();
    document.querySelector(".showTime").innerHTML = '当前时间：' + y + "年" + mt + "月" + day + "日 - " + h + "时" + m + "分" + s + "秒";
    t = setTimeout(time, 1000);
  }
})();
// 导航栏收缩展开
(function() {
  $(document).click(function (e) {
    var target = $(event.target);
    var noRes = target.parents('.list');
    if (noRes.length) {
      return;
    }
    var parent = target.parents('.bg');
    var has = false;
    if ($(parent).hasClass('active')) {
      has = true;
    }
    $('.bg').removeClass('active');
    if (parent.length !== 0 && !has) {
      $(parent).addClass('active');
    }
  });
})();
